Join Dawn, Bismark and Tobin as they set out to investigate the source of a violent jolt that fractures the earth! Along their journey, the Nocturnal Brigade meets an unfamiliar reptile--a tuatara named Polyphema--who reveals that a giant beast caused the destruction and will soon strike again. Polyphema with her special insights, is the only one who can help the Nocturnal Brigade stop this fearsome predator... but can she be trusted? With help from an owl, the jerboas, and some kiwis, the animals set a trap since surrender is not an option against this relentless beast.